Portable fitness platform



FIG. 1 is a Perspective view of a portable fitness platform showing my new design in open position;

FIG. 2 is left side view thereof;

FIG. 3 is right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom thereof;

FIG. 8 is another Perspective view of a portable fitness platform shown in an alternate environment; and,

FIG. 9 is another perspective view of a portable fitness platform, shown in an alternate environment and position.

The broken lines are for the purpose of illustrating portions of the article that form no part of the claim. 

CLAIM I claim the ornamental design for a portable fitness platform, as shown and described. 